text 1 for afghanistan's female voice. this mom making a mark in independent journalism in a kourn where women have long been silenced. text two for the last draftee retires. it wasn't his choice to go to vietnam but he stayed in the army for almost four decades. next three for the history of cocaine, from miracle cure to dangerous narcotic. dr. sanjay gupta tracks the history of that white powder. the winning story will air in the next hour. >>> well, allegations of unwanted sexual advances lead to calls for an ethics investigation of an oregon lawmaker. mark preston part of the best political team on television is live from the political desk in d.c. mark, what can you tell us about the allegations against congressman david wu? >> very serious allegations, suzanne, by a young woman who has accused congressman wu of oregon of an inappropriate, improper sexual encounter. the story was first broke on friday night by the oregonian newspaper and the congressman put out a statement not denying it actually happened. in fact, he